301213140 has 144 divisors (see below), whose sum is σ = 928368000. Its totient is φ = 72869888.

The previous prime is 301213117. The next prime is 301213153. The reversal of 301213140 is 41312103.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 502561 + ... + 503159.

It is an arithmetic number, because the mean of its divisors is an integer number (6447000).

Almost surely, 2^301213140 is an apocalyptic number.

301213140 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 301213140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (464184000).

301213140 is an abundant number, since it is smaller than the sum of its proper divisors (627154860).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

301213140 is a wasteful number, since it uses less digits than its factorization.

301213140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 674 (or 655 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 301213140 is about 17355.4930785616. The cubic root of 301213140 is about 670.3340874862.

Adding to 301213140 its reverse (41312103), we get a palindrome (342525243).

The spelling of 301213140 in words is "three hundred one million, two hundred thirteen thousand, one hundred forty".